1. Cadi Ayyad University,Laboratory of Nanomaterials, Energy and Environment Faculty of Sciences Semlalia,Marrakech,Morocco
2. USMBA University,Laboratory of Applied Physics Informatics and Statistics Faculty of Sciences Dhar El Mahraz,Fez,Morocco
3. Ibn Tofail University,Laboratory of Renewable Energy and Environment faculty of Science Kenitra,Kenitra
4. Groupe d'Etude des Matériaux Optoélectroniques, Faculty of Sciences and Techniques,Marrakech,Morocco